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OpenStudy (anonymous):
Solve: sec²θ = 2tanθ+4 over the interval [0,2pi)
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OpenStudy (anonymous):
\[\sec ^{2}\Theta=1+\tan ^{2}\theta\] substitute & solve it as quadratic equation for tan
OpenStudy (anonymous):
i got as far as (x+1)(x-3) =tan²=-1 and tan²=3 but I don't know what to do next?
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